/* ============================================================
   PutraKop Live Chat System — Responsive Breakpoints
   Version: 1.0.0
   
   Targets: Desktop 1024+, Tablet 768-1023, Mobile 320-767
   ============================================================ */

/* ========== Tablet (768px - 1023px) ========== */
@media (max-width: 1023px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 1000;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-backdrop {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
    
    .sidebar-backdrop.show {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .topbar {
        padding: 0 16px;
    }
    
    .page-content {
        padding: 16px;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        min-width: 600px;
    }
}

/* ========== Mobile Landscape (480px - 767px) ========== */
@media (max-width: 767px) {
    .auth-card {
        padding: 28px 20px;
        border-radius: 8px;
    }
    
    .auth-logo h1 {
        font-size: 20px;
    }
    
    .auth-logo img {
        height: 40px;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .kpi-card {
        padding: 14px;
    }
    
    .kpi-value {
        font-size: 22px;
    }
    
    .kpi-label {
        font-size: 11px;
    }
    
    .kpi-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .page-content {
        padding: 12px;
    }
    
    .card {
        padding: 14px;
    }
    
    .modal {
        max-width: 100%;
        margin: 10px;
        max-height: 90vh;
    }
    
    .btn {
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .topbar {
        height: 52px;
        padding: 0 12px;
    }
    
    .topbar .topbar-title {
        font-size: 16px;
    }
    
    .form-control {
        height: 38px;
        font-size: 13px;
    }
    
    .data-table {
        font-size: 13px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px 10px;
    }
    
    .badge {
        font-size: 10px;
        padding: 1px 6px;
    }
}

/* ========== Mobile Portrait (320px - 479px) ========== */
@media (max-width: 479px) {
    .auth-card {
        padding: 20px 16px;
        border: none;
        box-shadow: none;
        background: transparent;
    }
    
    .auth-page {
        background: #FFFFFF;
        padding: 10px;
    }
    
    .auth-logo {
        margin-bottom: 24px;
    }
    
    .auth-logo h1 {
        font-size: 18px;
    }
    
    .auth-logo p {
        font-size: 12px;
    }
    
    .auth-form .form-group {
        margin-bottom: 14px;
    }
    
    .auth-form .btn-submit {
        padding: 10px;
        font-size: 14px;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .page-content {
        padding: 10px;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .modal {
        margin: 0;
        border-radius: 0;
        max-height: 100vh;
    }
    
    .modal-header {
        padding: 12px 16px;
    }
    
    .modal-body {
        padding: 16px;
    }
    
    .modal-footer {
        padding: 12px 16px;
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
    
    .empty-state {
        padding: 40px 16px;
    }
    
    .empty-state img {
        width: 80px;
        height: 80px;
    }
    
    .sidebar-nav-item {
        padding: 12px 16px;
        font-size: 15px;
    }
}

/* ========== Print Styles ========== */
@media print {
    .sidebar,
    .topbar,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
    
    .page-content {
        padding: 0 !important;
    }
    
    .card {
        border: 1px solid #ddd !important;
        break-inside: avoid;
    }
}